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Analysis of applicability of small-sized specimens to prediction of temperature dependence of fracture toughness.
- Source :
- Strength of Materials; Mar2009, Vol. 41 Issue 2, p119-134, 16p, 1 Diagram, 3 Charts, 10 Graphs
- Publication Year :
- 2009
-
Abstract
- The paper addresses the use of small-sized specimens of various types, including those with deep (50%) side grooves, for the purpose of fracture toughness prediction. The experimental data for numerous (more than 500) small-sized specimens prepared from materials of various degrees of embrittlement are compared to the test results for full-sized specimens of C(T) type. The concepts of Master Curve and Unified Curve are applied for the processing of experimental data. To handle the test results for small-sized deep-grooved specimens a calculation procedure has been elaborated, which adjusts the calculation method specified in the ASTM Standard E 1921. We provide recommendations of how to use precracked Charpy type deep-grooved (50%) specimens for prediction of a representative temperature dependence of fracture toughness. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00392316
- Volume :
- 41
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Strength of Materials
- Publication Type :
- Academic Journal
- Accession number :
- 37268129
- Full Text :
- https://doi.org/10.1007/s11223-009-9118-3